GB9127570D0 - Improvements in and relating to proximity switches - Google Patents
Improvements in and relating to proximity switchesInfo
- Publication number
- GB9127570D0 GB9127570D0 GB919127570A GB9127570A GB9127570D0 GB 9127570 D0 GB9127570 D0 GB 9127570D0 GB 919127570 A GB919127570 A GB 919127570A GB 9127570 A GB9127570 A GB 9127570A GB 9127570 D0 GB9127570 D0 GB 9127570D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- proximity switches
- proximity
- switches
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/945—Proximity switches
- H03K17/95—Proximity switches using a magnetic detector
- H03K17/952—Proximity switches using a magnetic detector using inductive coils
- H03K17/953—Proximity switches using a magnetic detector using inductive coils forming part of an oscillator
- H03K17/9535—Proximity switches using a magnetic detector using inductive coils forming part of an oscillator with variable amplitude
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9127570A GB2263025B (en) | 1991-12-31 | 1991-12-31 | Improvements in or relating to proximity switches |
PCT/US1992/011233 WO1993013436A1 (en) | 1991-12-31 | 1992-12-28 | Oscillator and rectifier circuits for proximity switches |
EP93902773A EP0619888A4 (en) | 1991-12-31 | 1992-12-28 | Oscillator and rectifier circuits for proximity switches. |
US08/244,827 US5463354A (en) | 1991-12-31 | 1992-12-28 | Proximity switches including long tail pair with emitter follower feedback |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9127570A GB2263025B (en) | 1991-12-31 | 1991-12-31 | Improvements in or relating to proximity switches |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9127570D0 true GB9127570D0 (en) | 1992-02-19 |
GB2263025A GB2263025A (en) | 1993-07-07 |
GB2263025B GB2263025B (en) | 1996-01-03 |
Family
ID=10706943
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9127570A Expired - Fee Related GB2263025B (en) | 1991-12-31 | 1991-12-31 | Improvements in or relating to proximity switches |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0619888A4 (en) |
GB (1) | GB2263025B (en) |
WO (1) | WO1993013436A1 (en) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3609580A (en) * | 1969-11-14 | 1971-09-28 | Westinghouse Electric Corp | Electrical sensing apparatus |
DE3327188A1 (en) * | 1983-07-28 | 1985-02-14 | Gebhard Balluff Fabrik feinmechanischer Erzeugnisse GmbH & Co, 7303 Neuhausen | SELF-TESTING PROXIMITY SWITCH |
GB2180938B (en) * | 1985-09-24 | 1990-02-28 | Square D Co | Low leakage, a c proximity switch circuit |
JP2540923B2 (en) * | 1988-11-30 | 1996-10-09 | オムロン株式会社 | Proximity switch and its oscillation circuit |
EP0404065A1 (en) * | 1989-06-21 | 1990-12-27 | Omron Corporation | Sensor having an oscillation circuit |
-
1991
- 1991-12-31 GB GB9127570A patent/GB2263025B/en not_active Expired - Fee Related
-
1992
- 1992-12-28 WO PCT/US1992/011233 patent/WO1993013436A1/en not_active Application Discontinuation
- 1992-12-28 EP EP93902773A patent/EP0619888A4/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB2263025A (en) | 1993-07-07 |
WO1993013436A1 (en) | 1993-07-08 |
EP0619888A1 (en) | 1994-10-19 |
GB2263025B (en) | 1996-01-03 |
EP0619888A4 (en) | 1995-07-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19961231 |